The duodenal ampulla receives secretions from the
A) duodenum and the jejunum.
B) duodenum and the pylorus.
C) common bile duct and the pancreatic duct.
D) duodenum and the pancreatic duct.
E) duodenum and the bile duct.
Answer: C
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The P wave of the electrocardiogram is a signal from
A) the SA node. B) depolarization of the AV node. C) depolarization of the atria. D) repolarization of the atria. E) depolarization of the ventricles.
Place the following structures of the respiratory tree in the order in which air passes through them.
1. secondary bronchi 2. bronchioles 3. primary bronchi 4. alveoli 5. terminal bronchioles A) 4, 1, 2, 3, 5 B) 1, 3, 5, 2, 4 C) 3, 1, 2, 5, 4 D) 3, 1, 5, 2, 4 E) 1, 3, 2, 5, 4
Compared to the average adult male, the average adult female has
A) more water and more adipose tissue. B) less water and less adipose tissue. C) less water and more adipose tissue. D) more water and less adipose tissue.
Predict what would happen to the end systolic volume (ESV) if contraction force were to increase.
A. It would decrease. B. It would increase. C. It would remain constant. D. ESV is not affected by contraction force.